TY - RPRT TI - "I-P flexor lag" after thumb flexor reconstruction---causes and solution. AU - D B Apfelberg AU - M R Maser AU - H Lash AU - L Keoshian PY - 1980 DO - 10.1016/s0072-968x(80)80009-x UR - https://pubmed.ncbi.nlm.nih.gov/7409621/ ID - 7409621 ER -